Dinosaurs Before Dark

SUMMARY
Jack� and� Annie found the Magic Tree House when they were playing in the woods.Annie went in and found books.They find a dinosaur book.They wish to go there, and then saw a pterosaur.After that they find themselves in the time of dinosaurs.They meet a tricerotops,a Tyrannosaurus Rex,and Anatosaurus.They also find a gold medallion with a "M" on it.They run away from the T-rex,but Jack forgets his backpack.He sneaks back to the Anatosaurus's nest,but on his way back he is rescued by the pterosaurus.Then they wish to go back to Frog Creek,Pennsylvainia.